Shaanxi Yanchang Petroleum Chemical Engineering Co., Ltd. (hereinafter referred to as YCEC, stock code: 600248）which established in 1951, is located in the famous National Yangling Agricultural Hi-tech industries Demonstration Zone. YCEC which listed in Shanghai Stock Exchange on Dec.26, 2008 became Shanghai and Hong Kong stock pilot in 2014. Yanchang Petroleum (Group) Co., Ltd is the biggest shareholder. At present ,it is one of few listed companies in petrochemical industry in China.Shaanxi Petroleum Chemical Engineering and Construction Co., Ltd. (hereinafter referred to as SPCECC) is wholly-owned subsidiary of Shaanxi Yanchang Petroleum Chemical Engineering Co., Ltd.(YCEC) being the only larged sized joint stock enterprise engaging in petrochemical engineering in Shaanxi Province. It was incorporated into Shaanxi Yanchang Petroleum (Group) Co., Ltd. in May 2006 after approval by Shaanxi Provincial Party Committee and Government. Based on the advantage of Shaanxi Yanchang Petroleum Chemical Engineering Co., Ltd. (YCEC) as a platform, Shaanxi Petroleum Chemical Engineering and Construction Co., Ltd.(SPCECC) snatched the opportunity to enter into rapid development period, with operation and management system transferred from construction and production oriented pattern to diversification and collectivization integrating engineering design, equipment procurement, construction and installation and technical service for development within the scope of engineering construction of Shaanxi Yanchang Petroleum (Group) Co., Ltd.Shaanxi Petroleum Chemical Engineering and Construction Co., Ltd., a subsidiary of YCEC with registered capital of RMB 1 billion, holds the Qualification Certificates showing it is the First-Grade General Contractor for petrochemical engineering construction, building engineering construction, and electromechanical engineering construction, the Second-Grade general contractor for municipal public engineering construction, and First-Grade...